Signal reporting method, terminal device, and network device

Abstract

Provided by the embodiments of the present application are a signal reporting method, a terminal device, and a network device, which may improve system performance, the method comprising: a terminal device measuring N first signals to obtain a corresponding measurement result and measuring M second signals to obtain a corresponding measurement result, wherein N≥1 and M≥1; the terminal device determining a signal that needs to be reported according to the measurement result of the N first signals and the measurement result of the M second signals.

What is claimed is: 
     
       1. A signal reporting method, comprising:
 sending, by a network device, first configuration information to a terminal device, wherein the first configuration information is used to configure the terminal device to measure a first signal and a second signal; and 
 receiving, by the network device, a reporting result sent by the terminal device, 
 wherein the reporting result comprises information about: 
 a signal determined based on a processed measurement result, and 
 K signals in N first signals and M second signals; 
 wherein N≥1, M≥1, 1≤K≤N+M, the processed measurement result is obtained by performing joint processing on a measurement result of at least one first signal and a measurement result of at least one second signal by the terminal device, and the K signals in the N first signals and the M second signals is determined by the terminal device based on a measurement result of the N first signals and a measurement result of the M second signals; 
 wherein the first signals are channel state information-reference signals (CSI-RSs), and the second signals are some of signals in a synchronization signal (SS) block. 
 
     
     
       2. The method according to  claim 1 , wherein the first signal and the second signal have a quasi-co-location (QCL) or a spatial quasi-co-location. 
     
     
       3. The method according to  claim 1 , wherein the measurement result is reference signal received power (RSRP). 
     
     
       4. A network device, comprising:
 a processor, configured to: 
 send first configuration information to a terminal device, wherein the first configuration information is used to configure the terminal device to measure a first signal and a second signal; and 
 receive a reporting result sent by the terminal device, 
 wherein the reporting result comprises information about: 
 a signal determined based on a processed measurement result, and 
 K signals in N first signals and M second signals; 
 wherein N≥1, M≥1, 1≤K≤N+M, the processed measurement result is obtained by performing joint processing on a measurement result of at least one first signal and a measurement result of at least one second signal by the terminal device, and the K signals in the N first signals and the M second signals is determined by the terminal device based on a measurement result of the N first signals and a measurement result of the M second signals; 
 wherein the first signals are channel state information-reference signals (CSI-RSs), and the second signals are some of signals in a synchronization signal (SS) block. 
 
     
     
       5. The network device according to  claim 4 , wherein the first signal and the second signal have a quasi-co-location (QCL) or a spatial quasi-co-location. 
     
     
       6. The network device according to  claim 4 , wherein the measurement result is reference signal received power (RSRP). 
     
     
       7. The method according to  claim 1 , further comprising:
 sending, by the network device, fourth configuration information to the terminal device, wherein the fourth configuration information is used to configure the terminal device to determine, in the N first signals based on a first determining condition and the measurement result of the N first signals, a first signal that needs to be reported, and determine, in the M second signals based on a second determining condition and the measurement result of the M second signals, a second signal that needs to be reported. 
 
     
     
       8. The method according to  claim 7 , wherein
 the first determining condition comprises that: a measurement result is greater than or greater than or equal to a first threshold, or a difference between a measurement result and a maximum value of the measurement result of the N first signals is less than or less than or equal to a first difference; and 
 the second determining condition comprises that: a measurement result is greater than or greater than or equal to a second threshold, or a difference between a measurement result and a maximum value of the measurement result of the M second signals is less than or less than or equal to a second difference. 
 
     
     
       9. The method according to  claim 7 , further comprising:
 sending, by the network device, fifth configuration information to the terminal device, wherein the fifth configuration information is used to configure the terminal device to determine, in the N first signals and the M second signals based on a third determining condition, the measurement result of the N first signals, and the measurement result of the M second signals, signals that need to be reported. 
 
     
     
       10. The method according to  claim 9 , wherein the third determining condition comprises that: a measurement result is greater than or greater than or equal to a third threshold, or a difference between a measurement result and a maximum value of the measurement result of the N first signals and the measurement result of the M second signals is less than or less than or equal to a third difference. 
     
     
       11. The network device according to  claim 4 , wherein the processor is further configured to:
 send fourth configuration information to the terminal device, wherein the fourth configuration information is used to configure the terminal device to determine, in the N first signals based on a first determining condition and the measurement result of the N first signals, a first signal that needs to be reported, and determine, in the M second signals based on a second determining condition and the measurement result of the M second signals, a second signal that needs to be reported. 
 
     
     
       12. The network device according to  claim 11 , wherein
 the first determining condition comprises that: a measurement result is greater than or greater than or equal to a first threshold, or a difference between a measurement result and a maximum value of the measurement result of the N first signals is less than or less than or equal to a first difference; and 
 the second determining condition comprises that: a measurement result is greater than or greater than or equal to a second threshold, or a difference between a measurement result and a maximum value of the measurement result of the M second signals is less than or less than or equal to a second difference. 
 
     
     
       13. The network device according to  claim 4 , wherein the processor is further configured to:
 send fifth configuration information to the terminal device, wherein the fifth configuration information is used to configure the terminal device to determine, in the N first signals and the M second signals based on a third determining condition, the measurement result of the N first signals, and the measurement result of the M second signals, signals that need to be reported. 
 
     
     
       14. The network device according to  claim 13 , wherein the third determining condition comprises that: a measurement result is greater than or greater than or equal to a third threshold, or a difference between a measurement result and a maximum value of the measurement result of the N first signals and the measurement result of the M second signals is less than or less than or equal to a third difference.